Windows7 system Taskbar Explorer can't open it.

When you open Explorer, you suddenly get a hint that the file does not have a program associated with it to perform the action. Please install a program, or you have installed the program, create the association in the default program Control Panel. Encounter such a few, then how to solve it?

Operation Steps

Right-click the desktop space to create a new Notepad.

Enter the following code in Notepad:

Windows Registry Editor Version 5.00

[Hkey_classes_rootclsid{20d04fe0-3aea-1069-a2d8-08002b30309d}shellmanage]

@=hex (2): 40,00,25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,00,74,

00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,00,

79,00,63,00,6f,00,6d,00,70,00,75,00,74,00,2e,00,64,00,6c,00,6c,00,2c,00,2d,

00,34,00,30,00,30,00,00,00

"MUIVerb" =hex (2): 40,00,25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,

6F,00,74,00,25,00,5C,00,73,00,79,00,73,00,74,00,65,00,6D,00,33,00,32,00,5C,

00,6d,00,79,00,63,00,6f,00,6d,00,70,00,75,00,74,00,2e,00,64,00,6c,00,6c,00,

2c,00,2d,00,34,00,30,00,30,00,00,00

"SuppressionPolicy" =dword:4000003c

"Hasluashield" = ""

[Hkey_classes_rootclsid{20d04fe0-3aea-1069-a2d8-08002b30309d}shellmanagecommand]

@=hex (2): 25,00,77,00,69,00,6e,00,64,00,69,00,72,00,25,00,5c,00,73,00,79,00,73,

00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,00,6d,00,63,00,2e,00,65,00,78,00,

65,00,20,00,2f,00,73,00,20,00,25,00,77,00,69,00,6e,00,64,00,69,00,72,00,25,

00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,63,00,6f,00,

6d,00,70,00,6d,00,67,00,6d,00,74,00,2e,00,6d,00,73,00,63,00,00,00

Click on the file in Notepad--save it.

When saved, change the suffix name to a. reg registration form. The Prompt box appears to select Yes.

Double-click it to import the registry to resolve the problem.